Adjustable pet feeder



FIG. 1 is a front right perspective view of an adjustable pet feeder according to our new design.

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines in the drawings depict portions of the adjustable pet feeder that form no part of the claimed design. 

CLAIM The ornamental design for an adjustable pet feeder, as shown and as described. 